diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2f1f260c8e..f6890e7b15 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -28,6 +28,8 @@ jobs:
         keys:
         - v3-npm-deps-{{ checksum "web/ui/react-app/yarn.lock" }}
         - v3-npm-deps-
+    - run:
+        command: sudo apt-get install -y yamllint
     - run:
         command: make
         environment:
@@ -99,6 +101,8 @@ jobs:
     - run:
         command: jb install
         working_directory: ~/project/documentation/prometheus-mixin
+    - run:
+        command: sudo apt-get install -y yamllint
     - run:
         command: make
         working_directory: ~/project/documentation/prometheus-mixin